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The best PPD I can get from a $2000-2300 budget, 1 or 2P build? Intel or AMD? I need your opinions!

post #1 of 31
Thread Starter 
Hello everyone, im having some difficulties finding the right choice for me, I hope you guys can help me here.

In about 3 or 4 months im going to get a new F@H build and this time I decided to go for a Xeon/Opteron CPUs, but im having a problem finding the exact PPD for each CPU, that's why I don't know what's better to buy.
I don't know if there is a trusted website that shows the right PPD for every CPU out there? that would be very helpful.

Anyway let's move along, what's the best build I can get for around $2200, also is Intel Xeon the right choice for me or is AMD Opteron better for folding?
PLEASE NOTE that im already suffering from the heat my 5 computers are generating right now, so if there is a "one" Xeon CPU that gives me the same PPD as a 2P Opteron build for the same price, in this case im going to go for a one Xeon because I don't need more heat from another CPU if it's giving me the same PPD.

I was thinking of getting a LGA2011 CPU with the Asus Z9PE-D8 WS because im also thinking of filling the board with 4 GTS450s or maybe GTX550 Ti or a mid-range GPU from the new 600 series when they're released.
What do you guys think of dual Xeons E5-2620? that's a 2.0GHZ CPU with 6 cores and HT technology, it's $420 each and that means:

- Asus Z9PE-D8 WS LGA2011: about $600
- Dual Intel Xeon E5-2620 2.0GHz Six-Core HT: $840
- 4 GPUs (maybe GTS450s) for about $120 each.

and that's all going to be around $1920 without the other compononts (PSU, RAM, etc..) I think this is a great build, don't you think?
How much PPD would I get from this build? using the -bigadv projects of course (on Windows 7). Instead of the Xeon E5-2620, I can get the E5-2630 2.3GHz for about $400 more if it's worth the money.

Help me out guys, all opinions are appreciated!

UPDATE:

I forgot to ask, is it necessary to overclock the CPUs?
Because I don't know much about overclocking a Xeon CPU and I certainly don't know anything about overclocking AMD CPUs.
Edited by H.GamersZone - 4/10/12 at 5:00am
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post #2 of 31
12 cores at 2GHz with HT may not even enable you to keep doing bigadv when they make the bigadv changes. If you want intel you'd be better off picking up an overclocked SR2 with hexes at 4.0 but of course there is the heat. I wouldn't pay the premium for 2011 unless you don't care about money or are getting octocores.

For heat reasons and ppd I'd heavily consider a magny-cours opteron system, they are very power efficient for the ppd. Avoid any GPU folding because that kicks out way too much heat.

A 4x8 core setup should cost you around 1800 and get ~250Kppd for <400W. It's also upgradeable as you can slowly swap out the 8 cores for 12 cores and start pushing into the 500-800kppd

Overclocking isn't necessary but of course always encouraged - on e5-26** series 5-7% max on an SR-X. The opterons can go +15-25% with a bios flash on some supermicro boards.
Edited by stren - 4/10/12 at 8:33am
     
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post #3 of 31

Look on ebay for ES 8 core xeons, they can be had pretty cheap.

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post #4 of 31
With that budget you can get a 32-48 core Opteron rig. If you run Windows for running gpus vs Linux with no gpus the Linux should net you more ppd and save you a ton of heat and watt usage. My rig uses 580 watts from the wall and gives me 500k ppd on a 6903( look at hfm in my sig). I just cant tell anyone to invest on a multi socket Intel rig with the SB Xeons. They are expensive and do not overclock. I still have not seen one of those Intel rigs that will give you better ppd or lower power consumption than a Magny Cours 4p system.
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post #5 of 31
another vote for the 4P AMD system with no GPUs, they are the PPD/watt (and therefore heat) kings right now
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post #6 of 31
Thread Starter 
So most of you recommend the Magny-Cours.

I decided to go for dual AMD 6168 1.9GHz 12 Cores, I found them on ebay for $575. Is that a great deal?
Also, can you recommend me a great board to go with these CPUs.

How much PPD will this build give me? and is it necessary to overclock them?
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post #7 of 31
Quote:
Originally Posted by H.GamersZone View Post

So most of you recommend the Magny-Cours.
I decided to go for dual AMD 6168 1.9GHz 12 Cores, I found them on ebay for $575. Is that a great deal?
Also, can you recommend me a great board to go with these CPUs.
How much PPD will this build give me? and is it necessary to overclock them?

A good price for 6174's which are faster 12 cores is around $450, so I wouldn't buy those 6168s. Make sure to get a supermicro board (H8QGi/6 and H8QGL) in order to overclock. It's not necessary, but why not get that extra ppd? Make sure at the least that the board has the alternately staggered cpu so that you can fit decent cpu coolers on there.

Read up on these other threads too they should help you:

Guide:
http://www.overclock.net/t/1212613/guide-building-a-2p-4p-from-start-to-finish-along-with-ppd-benchmarks-gallery/0_50

Overclocking info:
http://hardforum.com/showthread.php?t=1677395

Other build logs:
http://www.overclock.net/t/1230906/my-waterlogged-folding-4pie-goodness-wip/0_50
http://www.overclock.net/t/1241247/4p-buildlog/0_50
     
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post #8 of 31
Quote:
Originally Posted by H.GamersZone View Post

So most of you recommend the Magny-Cours.
I decided to go for dual AMD 6168 1.9GHz 12 Cores, I found them on ebay for $575. Is that a great deal?
Also, can you recommend me a great board to go with these CPUs.
How much PPD will this build give me? and is it necessary to overclock them?

Seems a little high in price.
I have found 6166HEs before at just over $300 each and they are only 100MHz slower and can be OCd easily in a SuperMicro MB.
Plus they have "some" OV capability to help with the OC stability.
A couple of threads on here have excellent SuperMicro MBs listed for 4P rigs and that is what I would recommend.
It is definitely not necessary to OC, but these CPUs run so cool that a 15-20% OC is a no-brainer and will gain you much more than 15-20% in PPD.
With the correct memory and reasonable OC, with a 6904 WU you should be able to top 500K PPD.
post #9 of 31
Quote:
Originally Posted by bwhiten View Post

Seems a little high in price.
I have found 6166HEs before at just over $300 each and they are only 100MHz slower and can be OCd easily in a SuperMicro MB.
Plus they have "some" OV capability to help with the OC stability.
A couple of threads on here have excellent SuperMicro MBs listed for 4P rigs and that is what I would recommend.
It is definitely not necessary to OC, but these CPUs run so cool that a 15-20% OC is a no-brainer and will gain you much more than 15-20% in PPD.
With the correct memory and reasonable OC, with a 6904 WU you should be able to top 500K PPD.

Isn't that PPD for a 4P 6166 system, not a 2P one? I'd expect a 2P version of it to get substantially less PPD.
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post #10 of 31
Ya I believe that is for a 4p system. Cant give an exact number but I would expect about 2/5 of that for a 2p system maybe a bit less. Go with the 4p if you can afford it(although from your budget that should be no problem) and no GPUs as they are heat producers and not that efficient.
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